521 Sierra Pl, El Segundo, CA 90245 Property Records

Los Angeles County property record for 521 Sierra Pl, El Segundo, CA 90245

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,839 sqft · built 1949
Lot Size	0.053 acres (2,308 sqft)
Owner	2 Individual Names on File
Last Sale	$188,000 (Feb 1999)
Tax Bill	$5,579 (2025)
Deeds & Mortgages	Mar 2021 Mortgage Apr 2020 Mortgage + 3 more
Flood Zone	Zone X (minimal risk)
APN	`4133-019-015`

Property Details

APN / Parcel Number

Primary APN	`4133-019-015`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,839 sqft Living Area

Exterior

Year Built	Built 1949
Effective Year Built	Effective 1983
Architectural Style	Conventional
Construction Type	Wood
Roof Type	Flat
Roof Material	Rolled Roofing
Lot Area	2,308 sqft (0.053 acres)
Lot Dimensions	95 ft deep x 35 ft wide
Garage Type	Attached

Utilities, Heating & Cooling

Heating System	Central
Water Source	Commercial

Location & Zoning

Street Address	521 SIERRA PL
City	EL SEGUNDO
State	CA
Zip	90245-3131
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	ESR2YY
Legal Description	EL SEGUNDO LOT 23 BLK 91
Legal Subdivision	EL SEGUNDO
Legal Block	91
Legal Lot Number	23
Jurisdiction	LOS ANGELES CA
Township / Civil Division	SOUTH BAY CITIES
Census Block Group	3
Census Block	3000
Census Tract	620002

Owner

521 Sierra Pl is owned and occupied by two individuals who bought it in February 1999.

Source: Los Angeles County records, as of August 25, 2026

Owner of Record	2 Individual Names on File
Mailing Address	521 SIERRA PL, EL SEGUNDO, CA 90245-3131
Occupancy	Owner Occupied
Owner Type	Individual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Mar 16, 2021	Deed of Trust, Mortgage · Conventional Mortgage INTELLILOAN INC
Apr 8, 2020	Deed of Trust, Mortgage · Conventional Mortgage OWNING CORPORATION
Oct 26, 2020	Deed of Trust, Mortgage · Conventional Mortgage INTELLILOAN INC
Nov 7, 2019	Deed of Trust, Mortgage · Conventional Mortgage LOANDEPOT.COM LLC
May 7, 2018	Deed of Trust, Mortgage · Line of Credit WFB NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Feb 19, 1999 · Amount on File
Deed Sale	Feb 19, 1999 · Amount on File
Deed Document Number	1999273633
Record Updated	Oct 29, 2026

March 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	521 SIERRA PL, EL SEGUNDO, CA 90245-3131
Transaction Type	Mortgage
Record Updated	Mar 24, 2021
Title Company	ORABGE COAST TITLE, ORANGE COAST TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	521 SIERRA PL, EL SEGUNDO, CA 90245-3131

Mortgage

Document Number	0000417245
Date	Mar 16, 2021
Instrument	21-0417245

Lender

Name	INTELLILOAN INC
Type	Mortgage Company
Address	SANTA ANA, CA 92799

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Apr 1, 2051

April 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	521 SIERRA PL, EL SEGUNDO, CA 90245-3131
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	ORANGE COAST TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000393809
Date	Apr 8, 2020
Instrument	20-0393809

Lender

Name	OWNING CORPORATION
Type	Non-Lending Institution
Address	ORANGE, CA 92868

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Apr 1, 2050

October 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	521 SIERRA PL, EL SEGUNDO, CA 90245-3131
Document Number	0001375256
Instrument Date	Oct 26, 2020
Transaction Type	Mortgage
Record Updated	Nov 6, 2020
Title Company	ORANGE COAST TITLE COMPANY, ORANGE COAST TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	521 SIERRA PL EL SEGUNDO CA 902453131, EL SEGUNDO, CA 90245-3131

Mortgage

Document Number	0001375256
Date	Nov 2, 2020
Instrument	1375256

Lender

Name	INTELLILOAN INC
Address	SANTA ANA, CA 92799

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Nov 1, 2050

November 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	521 SIERRA PL, EL SEGUNDO, CA 90245-3131
Document Number	0001309054
Instrument Date	Nov 7, 2019
Transaction Type	Mortgage
Record Updated	Dec 9, 2019
Title Company	AMERICAN COAST TITLE COMPANY, AMERICAN COAST TITLE CO.

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	521 SIERRA PL EL SEGUNDO CA 902453131, EL SEGUNDO, CA 90245-3131

Mortgage

Document Number	0001309054
Date	Nov 27, 2019
Instrument	1309054

Lender

Name	LOANDEPOT.COM LLC
Type	Funding / Finance Company
Address	FOOTHILL RANCH, CA 92610

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Nov 26, 2049

May 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	521 SIERRA PL, EL SEGUNDO, CA 90245-3131
Document Number	0000484785
Instrument Date	May 7, 2018
Transaction Type	Mortgage
Record Updated	May 24, 2018
Title Company	OTHER

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	521 SIERRA PL EL SEGUNDO CA 902453131, EL SEGUNDO, CA 90245-3131

Mortgage

Document Number	0000484785
Date	May 16, 2018
Instrument	484785

Lender

Name	WFB NA
Address	SIOUX FALLS, SD 57104

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	360 Months
Due	May 15, 2048

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

The 2025 property tax bill for 521 Sierra Pl was $5,579 with a homeowner's exemption.

Source: Los Angeles County assessment roll, as of August 25, 2026

Property Jurisdictions

Type	Name
State	California
County	Los Angeles County
Municipality	El Segundo City
Unified School District	El Segundo Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$497,952 (+2%) Land $240,490 Building $257,462
2025	$5,579.00 Homeowner's exemption	$488,208 Land $235,775 Building $252,433
2023	$5,297.00 (-1.03%) Homeowner's exemption	$469,252 Land $226,620 Building $242,632
2022	$5,352.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

FEMA maps place 521 Sierra Pl in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1997.

Source: FEMA National Flood Hazard Layer, effective September 30, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	1 in force
Nearby Flood Claims	1 (1997)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Dec 1997 · rainfall accumulation

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

The area around 521 Sierra Pl has no burnable land within ember reach, so its wildfire risk is not rated.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Not rated no burnable land within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	EL SEGUNDO-CITY, WATER DEPT. serves 16,777 people · EPA ID CA1910040
Water Source	Purchased surface water from METROPOLITAN WATER DIST. OF SO. CAL.
Last State Inspection	Mar 2024
Lead	Under 1 ppb (2021–2023) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 542 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Spectrum Cable · Fiber in parts of the area	1,000 / 1,000
Verizon Fixed Wireless	1,000 / 75
Starlink Satellite	280 / 30
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless · DSL · Fiber in parts of the area	100 / 20

May also be available: GeoLinks, Sonic Telecom.

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